{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949973,-0.312331,0.000000,0.000000,0.174681,-0.531302,0.828978,0.000000,-0.258370,0.785847,0.561863,0.000000,-1649663.154458,5017541.450536,3563417.336419,1],    "boundingVolume": {    "region": [1.888374,0.596532,1.888512,0.596741,0.000000,8.150334]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1334464.b3dm"}}}